Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Daytime running lamps
WARNING: Always remember to turn on your headlamps at
dusk or during inclement weather. The Daytime Running Lamp
(DRL) system does not activate the tail lamps and generally may not
provide adequate lighting during these conditions. Failure to activate
your hea ...
Fittings - R-Clip
Material
Item
Specification
SAE 5W-20 Super Premium
Synthetic Blend Motor Oil
XO-5W20-QSP or equivalent
WSS-M2C153-
H
Disconnect
WARNING: Do not smoke or carry lighted tobacco or open flame of any
type when
working on or near any fuel- ...
Lamp Assembly - Rear
Removal
1. Position the luggage compartment trim aside.
Remove the two retainers.
2. Remove the four rear lamp nuts.
3. Remove the rear lamp assembly, disconnect the electrical connectors and
replace the bulbs if
necessary.
Installation
1. To ins ...
